Single procedure (n=141) Combined strategy (n=16) p-value
LAA ostial diameter (mm) 19 (17/21) 20 (18/21) 0.46
No. of device deployment 1 (1/2) 1 (1/1) 0.43
No. device 1 (1/1) 1 (1/1) 0.86
Device compression (%) 20 (15/23) 18 (15/20) 0.49
Procedure time (min) 69 (53/88) 115 (76/139) <0.01
Fluoroscopy time (min) 7 (5/10) 18 (10/38) <0.01
Fluoroscopy dose (mGy) 945 (402/2760) 2500 (640/11992) <0.01
Success 139 (98%) 16 (100%) 0.63